Ouzo\Model::insert PHP Method

    public function insert()
    {
        $this->_callBeforeSaveCallbacks();
        $primaryKey = $this->_modelDefinition->primaryKey;
        $attributes = $this->filterAttributesPreserveNull($this->_attributes);
        $query = Query::insert($attributes)->into($this->_modelDefinition->table);
        $lastInsertedId = QueryExecutor::prepare($this->_modelDefinition->db, $query)->insert($this->_modelDefinition->sequence);
        if ($primaryKey && $this->_modelDefinition->sequence) {
            $this->{$primaryKey} = $lastInsertedId;
        }
        $this->_callAfterSaveCallbacks();
        $this->_resetModifiedFields();
        return $lastInsertedId;
    }